Precision agriculture - a worldwide overview

This article provides an overview of worldwide development and current status of precision-agriculture technologies based on literatures generated mainly during the past 2 years. The topics include natural-resource variability; variability management; management zone; impact of precision-agriculture technologies on farm profitability and environment; engineering innovations in sensors, controls, and remote sensing; information management; worldwide applications and adoption trend of precision-agriculture technologies; and potentials of the technologies in modernizing the agriculture in China. (C) 2002 Published by Elsevier Science B.V.